package com.myres.service;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.myres.firstmenu.db.CategoryService;
import com.myres.model.Category;

public class getCategory extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public getCategory() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doRequest(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doRequest(request, response);
	}
    private void doRequest(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{
    	CategoryService service=new CategoryService();
    	List<Category> categories=service.getCategories();
    	response.setCharacterEncoding("utf-8");
    	StringBuilder builder =new StringBuilder();
    	builder.append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
    	builder.append("<response>");
    	builder.append("<categories>");
    	for(Category category:categories){
    		builder.append("<category>");
    		builder.append("<c_id>");
    		builder.append(category.getId());
    		builder.append("</c_id>");
    		builder.append("<c_name>");
    		builder.append(category.getName());
    		builder.append("</c_name>");
    		builder.append("</category>");
    	}
    	builder.append("</categories>");
    	builder.append("</response>");
    	response.setContentType("text/xml");
    	response.getWriter().write(builder.toString());
    	
    }
	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
